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    <title>Document</title>
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<body>
    <!-- 1、以下表格几行几列，一共有几个单元格-->
    <!-- 2、如何加入边框-->
    <!-- 3、如何设置通栏让表格更整齐-->
    <table>
        <tr>
            <td>姓名</td>
            <td>ageage</td>
        </tr>
        <tr>
            <td>aaa</td>
            <td>11</td>
            <td>34</td>
        </tr>
        <tr>
            <td>bbb</td>
            <td>99</td>
        </tr>
    </table>

    <table cellspacing="30" border="1">
        <tr><td colspan="2" align="center">姓名</td></tr>
        <tr><td rowspan="2" align="center">成绩</td>
            <td align="center">语文</td>
        </tr>
        <tr><td colspan="2" align="center">数学</td></tr>
  </table>
</body>

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